For classical swine fever, which tissue type is most commonly used in routine surveillance testing?

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Prepare for the TEDA Emerging and Exotic Diseases of Animals Exam with our interactive quizzes. Challenge yourself with multiple choice questions and detailed explanations to enhance your learning and boost your confidence for the exam!

Multiple Choice

For classical swine fever, which tissue type is most commonly used in routine surveillance testing?

Classical swine fever virus shows a strong preference for lymphoid tissues, and it can persist in tonsillar tissue even after viremia has declined. This makes tonsil samples (or tonsil swabs) the most sensitive and practical material for routine surveillance testing, especially in slaughterhouses where large numbers of animals are screened. Viral RNA or antigen is more readily detected in the tonsils than in other tissues, providing a reliable surveillance signal. Brain is not a primary replication site, and while liver or spleen can harbor the virus, they are less consistently positive and less convenient for widespread routine testing.

For classical swine fever, which tissue type is most commonly used in routine surveillance testing?

Prepare for the TEDA Emerging and Exotic Diseases of Animals Exam with our interactive quizzes. Challenge yourself with multiple choice questions and detailed explanations to enhance your learning and boost your confidence for the exam!

For classical swine fever, which tissue type is most commonly used in routine surveillance testing?

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